| bacteria |
microscopic organisms that often play a role in the decay of living things, the process of fermentation, and sometimes in causing disease. |
| dollar |
the main unit of money in the United States and many other countries. One U.S. dollar is equal to 100 cents. |
| flag |
a piece of cloth with special colors and designs used as a symbol of a country or organization. |
| jet |
an airplane with engines that give off a flow of heated gases to cause forward movement. |
| land |
the solid part of the earth's surface. |
| match2 |
a person or thing that is very like another. |
| paste |
a mixture used to stick paper or other light materials together. |
| problem |
a question or condition that is difficult to understand or to deal with. |
| quietly |
with little or no sound. |
| search |
to try to find something by looking with care. |
| self |
one's own being, character, and nature. |
| snow |
small, soft, white pieces of frozen water that fall from the sky like rain. |
| swell |
to become larger because of growth or pressure. |
| ticket |
a small piece of paper that shows that you have paid for something. |
| window |
an opening in a wall or vehicle that lets in air and light. The opening is usually covered by clear glass. |